121221132130322 has 16 divisors (see below), whose sum is σ = 212640391246272. Its totient is φ = 50743729728720.

The previous prime is 121221132130297. The next prime is 121221132130327. The reversal of 121221132130322 is 223031231122121.

It is a junction number, because it is equal to n+sod(n) for n = 121221132130291 and 121221132130300.

It is not an unprimeable number, because it can be changed into a prime (121221132130327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100682002829 + ... + 100682004032.

It is an arithmetic number, because the mean of its divisors is an integer number (13290024452892).

Almost surely, 2^{121221132130322} is an apocalyptic number.

121221132130322 is a deficient number, since it is larger than the sum of its proper divisors (91419259115950).

121221132130322 is a wasteful number, since it uses less digits than its factorization.

121221132130322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201364006913.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 121221132130322 its reverse (223031231122121), we get a palindrome (344252363252443).

The spelling of 121221132130322 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, one hundred thirty-two million, one hundred thirty thousand, three hundred twenty-two".